GRACE DESIGN SB-BLRA
PRICE ON ENQUIRY
GRACE DESIGN SB-BLRA Spacebar Blumlein positioner (80 cm): two figure-8 mics on one vertical axis at 90 degrees, tilts up or down. Available in India from Shivansh Electronics, Kolkata, West Bengal, India.
VISUAL GUIDE — See Every Photo, Spec & Setup Step (PDF)
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Specifications
| Configuration | Vertical Blumlein, 80 cm |
| Mic holders | 2 x SB‑AMHRA adjustable right‑angle mic holder |
| Tube | E421 80 cm tube, 7/8" diameter |
| Stand mount | E422 right angle with SB‑TJ90 90 degree tube joiner |
| Material | Machined aluminium, brass and stainless steel |
| Versions | Standard 5/8‑27; BSW 3/8‑16 |
Product overview
The GRACE DESIGN SB-BLRA is a Spacebar modular Blumlein positioner that holds large classic-style ribbon microphones in a vertical Blumlein configuration (80 cm): two figure-8 microphones on the same vertical axis at a precise 90 degree angle of incidence.
Two types of mic holder are available depending on the microphones: for large classic-style ribbon microphones the SB-AMHRA right-angle holder is used (SB-BLRA); most other microphones mount with the SB-MH standard mic holder (SB-BL). A unique feature of the Spacebar Blumlein configuration is that the whole vertical tube assembly can be rotated on a horizontal axis, so the microphones can be aimed up or down relative to the horizontal plane: very useful when miking an ensemble from above on a tall stand.
| Vertical tube | 80 cm |
| Angle between the mics | 90° |
| Mic holders | 2 |
| Thread versions | 2 |
Key features
- Vertical Blumlein configuration, 80 cm
- 2 x SB-AMHRA adjustable right-angle mic holder
- Whole vertical assembly tilts up or down on a horizontal axis
- Right-angle stand mount with 90 degree tube joiner
- Engraved centimetre scales on the 7/8" tubes
- Machined aircraft-grade aluminium, brass and stainless steel
- Standard 5/8-27 or BSW 3/8-16 mic mount threads
In the box
- E422 right-angle stand mount
- SB-TJ90 90 degree tube joiner
- E421 80 cm tube
- 2 x SB-AMHRA adjustable right-angle mic holder
- 2 x E414 tube end plug
- E405 24 mm nuts and screws
Available versions
- Standard 5/8-27 mic mount threads
- BSW 3/8-16 (British Standard Whitworth, -BSW suffix) mic mount threads
GRACE DESIGN SB-BLRA: frequently asked questions
Which microphones does it hold?
The SB-BLRA holds large classic-style ribbon microphones; the companion Blumlein model with the other holder type covers the remaining microphones.
Can the pair be aimed downwards?
Yes. The whole vertical tube assembly rotates on a horizontal axis to aim the microphones up or down.
Where can I buy the GRACE DESIGN SB-BLRA in India?
The GRACE DESIGN SB-BLRA is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.
Workflow 1: Blumlein pair for an ensemble
Engineers recording choirs, orchestras and rooms.
Connections
| Connect | To |
|---|---|
| Two figure‑8 microphones | Mic holders |
| Stand mount | Microphone stand |
Setup
- Mount both microphones on the vertical tube.
- Set the 90 degree angle of incidence between them.
- Rotate the vertical assembly to aim up or down.
- Clamp everything tight.
Tip: The tube assembly rotates on a horizontal axis: ideal when miking from above on a tall stand.
Workflow 2: Repeatable room recording
Studios using a Blumlein room pair.
Connections
| Connect | To |
|---|---|
| Spacebar | Stand |
Setup
- Read the positions on the engraved centimetre scale.
- Note the tilt.
- Log the values.
- Restore them next session.
Tip: Engraved scales make the setup repeatable.
