AMPEX 351 SCHEMATIC MOD
AMPEX 351 SCHEMATIC MODS

Now to my question I've been sourcing out components to put together an Ampex recorder. I've been lurking on here for years and soaking up a ton of great info, so a big thanks to all the contributors! Tags: ampex mastering recorder recording vintage. See photos for more information on cosmetic condition.Log in or Sign up. In excellent cosmetic condition for its age with only minor signs of wear. The buyer has 14 days from receipt to raise any concerns, after which we will release funds to the seller. This particular unit comes from a good friend of Soundgas, whose expertise and attention to detail matches and at times exceeds our own: this will not disappoint.ДЄs a brokerage sale, payment will be made to us but will be held in escrow for the seller until the buyer confirms satisfactory receipt of the item. We only work in this way with trusted clients who understand their gear. This item is not at Soundgas and we have sadly not had a chance to test it ourselves yet. If you need an estimate then get in touch. Brokerage sale so shipping is arranged between the buyer and seller direct but we can usually help with access to trusted couriers etc. Tubes are loaded and power is checked again. The unit is then brought up on a variac slowly to help form the new capacitors and all power is checked over throughout the circuit. We tighten all hardware and clean all mechanicals until the unit feels good to operate. This too is pulled from the unit and replaced with a pair of diodes and dropping resistors to provide a perfect Once our blanket parts swap is complete we clean every interconnecting point within each unit and resolder weak traces to make sure there is no fear for intermittent edge card crimp connections. A common failure point on these units is the old selenium rectifier for the DC heater supply. This includes all passives resistors and ceramics and actives. An appreciation of an Ampex 351 tape deck Every single component is changed on the power supply board to insure the circuit is fed exactly what it was intended to receive. When restoring our Ampex s, we began with replacing all electrolytics throughout the circuit. Since the tape transport electronics are disconnected, we took that opportunity to hardwire the record indicator lamp to be permanently on to add a bit of extra vibe. Jeep pcm programmingДЄll of these modifications are to be mounted on a simple 1U rack space panel to maintain the original aesthetic of the unit.

AMPEX 351 SCHEMATIC MOD

At the time of writing, some units are available without this mod if you wish to pair them with an Ampex recorder. Note this unit also has a modification to bypass the tape transport electronics and improve signal path - further details below. Full details of work completed and additional optional modifications below, as well as shipping arrangements. Extensive work has been undertaken to produce an excellent standalone preamp. Originally from an 8-track damaged in transit. This unit is part of a collection we are brokering on behalf of our New York engineer at Thump.

AMPEX 351 SCHEMATIC MODS

Serviced and ready to ship, unless optional mods are required. Ampex 351 2-track 7.5ips & 15ips, calibrated, ready to roll EU customers with VAT number can enter it at check out to remove tax. By using out site you agree to our use of cookies. Our website uses cookies to make your browsing experience better.

Ampex 351 schematic