Upgrades

The following is a list of upgrades we've installed in the past.
We're no longer offering upgrade services but are able to service machines we upgraded.
If you need service, please email dougoade at yahoo.com or submit a question via the website.
Product Image Item Name- Price
Marantz PMD-706 Super

Marantz PMD-706 Super

The Marantz PMD-706 Super Mod rebuilds the TRS & XLR inputs with high speed, low noise and ultralow distortion chips that dramatically improve low...
$235.00
Add:
Marantz PMD-706 Super + FET

Marantz PMD-706 Super + FET

The PMD-706 Super + FET upgrade rebuilds channels 1 & 2 XLR inputs using high speed, low noise and very low distortion op amps that dramatically...
$235.00
Add:
Marantz PMD661, MKII & MKIII FET MOD

Marantz PMD661, MKII & MKIII FET MOD

The Marantz PMD 661, MKII & MKIII FET MOD upgrade rebuilds the XLR inputs using very high speed, very low noise and low distortion FET op amps that...
$145.00
Add:
Roland R44 Concert + FET MOD

Roland R44 Concert + FET MOD

R44 Concert MOD on Ch 1 & Ch 2 FET MOD on Ch 3 & CH 4 Price includes return shipping in the 48 states.
$212.50
Add:
Roland R-26 FET/Warm MOD

Roland R-26 FET/Warm MOD

Upgrades XLR inputs only ! Price includes return shipping & insurance in the 48 states.
$225.00
Add:
Roland R44 Concert MOD

Roland R44 Concert MOD

Roland R44 Concert upgrade rebuilds the mic preamps using high speed, low noise and very low distortion op amps that dramatically improve fine detail...
$200.00
Add:
Roland R44 FET MOD

Roland R44 FET MOD

The Roland FET MOD upgrade rebuilds the inputs using high speed, low noise and ultra low distortion FET op amps that dramatically improve low level...
$225.00
Add:
Roland R44 Super MOD

Roland R44 Super MOD

The Roland R44 Super upgrade rebuilds the mic preamps using high speed, very low noise and low distortion op amps that improve intelligibility and...
$225.00
Add:
Sony PCM-M10 ACM

Sony PCM-M10 ACM

The Sony PCM-M10 Advanced Concert MOD bypasses the input selector IC and replaces the preamp chip which limits dynamic range to 80dB. The preamp is...
$295.00
Add:
Sony PCM-M10 Audiophile MOD

Sony PCM-M10 Audiophile MOD

The Sony PCM-M10 Audiophile MOD bypasses the input selector IC and replaces the preamp chip which limits dynamic range to 80dB. The preamp is...
$295.00
Add:
Your IP Address is: 18.97.14.85
Copyright © 2025 Oade Brothers Audio. Powered by Zen Cart