{"id":9970385977584,"title":"RetroSound 6-12 Volt Converter","handle":"retrosound-6-12-volt-converter","description":"\u003c!-- Main Content Section --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; padding: 20px; gap: 20px; max-width: 100%;\"\u003e\n\u003c!-- Image Section --\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!-- Description Section --\u003e\n\u003cdiv style=\"flex: 2; min-width: 300px; padding: 10px;\"\u003e\n\u003ch2 style=\"font-size: 1.8rem; color: #333;\"\u003eUpgrade Your 6V Classic Car's Audio System\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your vintage vehicle with our best-in-class 6 volt DC to 12 volt DC converter. This German-engineered device ensures dependable power for your 12V modern electronics, such as RetroSound radios, without the hassle of revamping your electrical system.\u003c\/p\u003e\n\u003cp\u003eFor vintage car enthusiasts installing 12V RetroSound radios, this DC voltage converter offers the perfect combination of power, protection, and quality. \u003cstrong\u003eOrder yours today to enjoy the best of both worlds: timeless style with cutting-edge technology!\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Features Section --\u003e\n\u003caside style=\"flex: 1; min-width: 300px; padding: 15px; background: #f3f3f3; border-radius: 8px; margin-left: auto; align-self: flex-start;\"\u003e\n\u003ch3 style=\"color: #333; text-align: center;\"\u003eWhy Choose Our DC Converter?\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eReliable Power:\u003c\/strong\u003e Delivers a steady 10A output, ensuring consistent performance.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eTailored for Classic Cars:\u003c\/strong\u003e Designed for vehicles with negative grounding 6V systems, perfect for audio system upgrades and other 12V accessories\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eSmart Power Management:\u003c\/strong\u003e Automatically activates with ignition to conserve battery life.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eAdvanced Protection:\u003c\/strong\u003e Built-in thermal protection to prevent overheating. Premium German Engineering: Built for durability, precision, and long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003c!--SPLIT--\u003e\u003c!--SPLIT--\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSPECIFICATION\u003c\/th\u003e\n\u003cth\u003eDETAIL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eInput Voltage (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e5.5 – 7.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Voltage (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Current (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e10A (no limitation!)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Stability with Input Variation\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eUa proportional to Ue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCV Stability at 0-100% Load\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCV Ripple (RMS)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e25mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eNo-load Current Consumption (DC\/DC Converter)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e\u0026lt; 30mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eAuxiliary Relay Current Consumption\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 300mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eFull Load Current Consumption\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e24A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eRegulation Time 10-100% Load\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e1.5ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e0 - 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eMax. Relative Humidity (non-condensing)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e85% at 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCable Length\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 1.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 150 x 85 x 70 mm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 0.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eColor\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eBlack, RAL 9005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eProtection Grade \/ Class\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eIP 30 \/ III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eElectrical Connections modul (Input)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e6.3mm flat connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eElectrical Connections modul (Output)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e6.3mm flat connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eEMI Suppression\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eDIN VDE 0875 T 3 G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","published_at":"2026-04-04T15:47:21-07:00","created_at":"2026-04-04T15:47:21-07:00","vendor":"RetroSound","type":"Accessories","tags":["accessories","nondab"],"price":14999,"price_min":14999,"price_max":14999,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49501258121456,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RS-CNVRTR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RetroSound 6-12 Volt Converter","public_title":null,"options":["Default Title"],"price":14999,"weight":953,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0000_RSCNVRTR-6-12v-Converter-hero.jpg?v=1775342844","\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0001_RSCNVRTR-6-12v-Converter-hero-top.jpg?v=1775342845","\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0003_RSCNVRTR-6-12v-Converter-Detail-1.jpg?v=1775342844","\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0002_RSCNVRTR-6-12v-Converter-detail-2.jpg?v=1775342844"],"featured_image":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0000_RSCNVRTR-6-12v-Converter-hero.jpg?v=1775342844","options":["Title"],"media":[{"alt":null,"id":44161160872176,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0000_RSCNVRTR-6-12v-Converter-hero.jpg?v=1775342844"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0000_RSCNVRTR-6-12v-Converter-hero.jpg?v=1775342844","width":1600},{"alt":null,"id":44161160904944,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0001_RSCNVRTR-6-12v-Converter-hero-top.jpg?v=1775342845"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0001_RSCNVRTR-6-12v-Converter-hero-top.jpg?v=1775342845","width":1600},{"alt":null,"id":44161160937712,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0003_RSCNVRTR-6-12v-Converter-Detail-1.jpg?v=1775342844"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0003_RSCNVRTR-6-12v-Converter-Detail-1.jpg?v=1775342844","width":1600},{"alt":null,"id":44161160970480,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0002_RSCNVRTR-6-12v-Converter-detail-2.jpg?v=1775342844"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/www.hitechclassics.com\/cdn\/shop\/files\/6-12-volt-converter-web-16x_0002_RSCNVRTR-6-12v-Converter-detail-2.jpg?v=1775342844","width":1600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003c!-- Main Content Section --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; padding: 20px; gap: 20px; max-width: 100%;\"\u003e\n\u003c!-- Image Section --\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!-- Description Section --\u003e\n\u003cdiv style=\"flex: 2; min-width: 300px; padding: 10px;\"\u003e\n\u003ch2 style=\"font-size: 1.8rem; color: #333;\"\u003eUpgrade Your 6V Classic Car's Audio System\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your vintage vehicle with our best-in-class 6 volt DC to 12 volt DC converter. This German-engineered device ensures dependable power for your 12V modern electronics, such as RetroSound radios, without the hassle of revamping your electrical system.\u003c\/p\u003e\n\u003cp\u003eFor vintage car enthusiasts installing 12V RetroSound radios, this DC voltage converter offers the perfect combination of power, protection, and quality. \u003cstrong\u003eOrder yours today to enjoy the best of both worlds: timeless style with cutting-edge technology!\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Features Section --\u003e\n\u003caside style=\"flex: 1; min-width: 300px; padding: 15px; background: #f3f3f3; border-radius: 8px; margin-left: auto; align-self: flex-start;\"\u003e\n\u003ch3 style=\"color: #333; text-align: center;\"\u003eWhy Choose Our DC Converter?\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eReliable Power:\u003c\/strong\u003e Delivers a steady 10A output, ensuring consistent performance.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eTailored for Classic Cars:\u003c\/strong\u003e Designed for vehicles with negative grounding 6V systems, perfect for audio system upgrades and other 12V accessories\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e✔ \u003cstrong\u003eSmart Power Management:\u003c\/strong\u003e Automatically activates with ignition to conserve battery life.\u003c\/li\u003e\n\u003cli\u003e✔ \u003cstrong\u003eAdvanced Protection:\u003c\/strong\u003e Built-in thermal protection to prevent overheating. Premium German Engineering: Built for durability, precision, and long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003c!--SPLIT--\u003e\u003c!--SPLIT--\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSPECIFICATION\u003c\/th\u003e\n\u003cth\u003eDETAIL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eInput Voltage (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e5.5 – 7.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Voltage (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Current (DC)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e10A (no limitation!)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOutput Stability with Input Variation\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eUa proportional to Ue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCV Stability at 0-100% Load\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCV Ripple (RMS)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e25mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eNo-load Current Consumption (DC\/DC Converter)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e\u0026lt; 30mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eAuxiliary Relay Current Consumption\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 300mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eFull Load Current Consumption\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e24A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eRegulation Time 10-100% Load\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e1.5ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e0 - 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eMax. Relative Humidity (non-condensing)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e85% at 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eCable Length\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 1.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 150 x 85 x 70 mm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eapprox. 0.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eColor\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eBlack, RAL 9005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eProtection Grade \/ Class\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eIP 30 \/ III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eElectrical Connections modul (Input)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e6.3mm flat connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eElectrical Connections modul (Output)\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003e6.3mm flat connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-label=\"SPECIFICATION\"\u003eEMI Suppression\u003c\/td\u003e\n\u003ctd data-label=\"DETAIL\"\u003eDIN VDE 0875 T 3 G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e"}

RetroSound 6-12 Volt Converter

Product Description

Upgrade Your 6V Classic Car's Audio System

Breathe new life into your vintage vehicle with our best-in-class 6 volt DC to 12 volt DC converter. This German-engineered device ensures dependable power for your 12V modern electronics, such as RetroSound radios, without the hassle of revamping your electrical system.

For vintage car enthusiasts installing 12V RetroSound radios, this DC voltage converter offers the perfect combination of power, protection, and quality. Order yours today to enjoy the best of both worlds: timeless style with cutting-edge technology!

SPECIFICATION DETAIL
Input Voltage (DC) 5.5 – 7.5V
Output Voltage (DC) 12V
Output Current (DC) 10A (no limitation!)
Output Stability with Input Variation Ua proportional to Ue
CV Stability at 0-100% Load 3V
CV Ripple (RMS) 25mV
No-load Current Consumption (DC/DC Converter) < 30mA
Auxiliary Relay Current Consumption approx. 300mA
Full Load Current Consumption 24A
Fuse Rating 25A
Regulation Time 10-100% Load 1.5ms
Operating Temperature Range 0 - 35°C
Max. Relative Humidity (non-condensing) 85% at 40°C
Cable Length approx. 1.5m
Dimensions (W x H x D) approx. 150 x 85 x 70 mm³
Weight approx. 0.7 kg
Color Black, RAL 9005
Protection Grade / Class IP 30 / III
Electrical Connections modul (Input) 6.3mm flat connectors
Electrical Connections modul (Output) 6.3mm flat connectors
EMI Suppression DIN VDE 0875 T 3 G
$ 149.99
Maximum quantity available reached.