Contact: Steve Oppenheimer steve@whitedogcommunications.com
- This list will be periodically updated as I add more gear and remove sold items.
- All sales are final unless otherwise agreed in advance.
- Payment via PayPal preferred.
- Reasonable offers will be considered.
- Prices do NOT include shipping.
- If you are in or near the San Francisco Bay Area, you can arrange to pick up a unit in person.
- Condition ratings follow the guidelines used on reverb.com (see a description here).
- All units come with required power supply or IEC AC cable.
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Alesis Midiverb III stereo multi-effects | Non-Functioning | $25 as is | Yes (print and PDF) | Looks excellent. Might just need a new external power supply. | 19” x 7” x 1⅞” (1U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Alesis-Midiverb-III-front-1600x145.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Alesis-Midiverb-III-rear-1600x139.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Aphex Model 110 Aural Exciter Type E | Very Good | $50 | No | 8¼” x 7¼” x 1⅞” (½U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Aphex-Aural-Exciter-Type-E-front-1600x328.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Aphex-Aural-Exciter-Type-E-rear-1600x311.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Boss SE50 stereo multi-effects | Excellent | $150 | Yes | 8½” x 10” x 1⅞” (½U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Boss-SE-50-front-1600x324.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Boss-SE-50-rear-1600x303.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Conquest MPS-1000 48-point TRS modular patch bay | Good | $35 | No | 1U |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Conquest-MPS1000-front-1600x152.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Conquest-MPS1000-rear-1600x158.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
dbx 140A Type II Broadcast Noise Reduction | Mint | $35 | Yes (PDF) | 19” x 12½” x 1⅞” (1U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-140A-front-1600x145.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-140A-rear-1600x149.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
dbx Project 1 Model 242 Parametric EQ | Excellent | $150 | Yes | 19” x 5¼” x 1⅞” (1U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-242-front-1600x142.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-242-rear-1600x145.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
dbx 263X de-esser | Mint | $150 | 263X service manual & 263A user manual (PDF) | 8½” x 8” x 1⅞” (½U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-263X-front-1600x319.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-263X-rear-1600x329.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
dbx MC6 Mini-Comp compressor | Very Good | $100 | Yes | Some tape gum damage to case. | 6½” x 5¾” x 1¼” |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-MC6-front-1076x1224.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-MC6-rear-1600x375.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
dbx PB-48 48-point TRS patch bay | Very Good | $50 each or 2 for $85 | Yes (PDF) | 2 units available | 1U |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-PB-48-front-1600x148.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/dbx-PB-48-rear-1600x180.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
DigiTech Studio Vocalist EX vocal harmony processor | Excellent | $200 | Yes | In original box | 21⅞” x 10⅞” x 7½” (3U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/DigiTech-Studio-Vocalist-front-1600x299.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/DigiTech-Studio-Vocalist-rear-1600x306.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Hughes Retriever AK-500 3-D audio processor | Good | $100 | Yes | 2-sided tape on top, bottom, side. | 16½” x 7” x 1⅞” (1U; no rack ears) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Hughes-Retriever-front-1600x196.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Hughes-Retriever-rear-1600x194.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Hughes Sound Retrieval System AK-100 3-D audio processor | Good | $125 | No | Front-panel labels faded, pots need cleaning but function. | 17” x 11” x 3¾” (2U, no rack ears) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Hughes-SRS-front-1600x318.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Hughes-SRS-rear-1600x297.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
JL Cooper DataMaster synchronizer | Excellent | $60 | Yes | 19” x 6½” x 1⅞” (1U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/JLCooper-DataMaster-front-1600x142.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/JLCooper-DataMaster-rear-1600x155.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Midimotor Humbuster HB100 | Excellent | $200 | Yes | Large power supply/isolator/line conditioner/ground loop eliminator; 1200 watts. | 19” x 10” x 3¾” (2U) |
![](https://whitedogcommunications.com/wp-content/uploads/2024/05/Midimotor-Humbuster_front_r-1600x337.png)
![](https://whitedogcommunications.com/wp-content/uploads/2024/05/Midimotor-Humbuster_rear_r-1600x349.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Opcode Studio 5LX MIDI interface | Very Good | $75 each or 2 for $125 | Yes | 2 units available; Requires Opcode OMS software and Mac System 9 or older | 19” x 3¾” x 11” (2U, each unit) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Opcode-Studio-5LX-front-1600x596.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Opcode-Studio-5LX-rear-1600x595.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
PreSonus FireStudio Tube audio/MIDI interface | Mint | $175 | Yes (PDF) | FireWire 400 | 19” x 8½” x 1⅞” (1U) |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/PreSonus-FireStudio-Tube-front-1600x144.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/PreSonus-FireStudio-Tube-rear-1600x161.png)
ITEM | CONDITION | PRICE | USER MANUAL | NOTES | DIMENSIONS |
Yamaha MU5 General MIDI tone generator | Excellent | $50 | Yes | Missing host computer connector cable. | 7¼” x 4¼” x 1¼” |
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Yamaha-MU5-top-1600x911.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Yamaha-MU5-rear-1600x288.png)
![](https://whitedogcommunications.com/wp-content/uploads/2023/07/Yamaha-MU5-side-1600x456.png)